Killian, Ink Duelist is a uncommon Legendary Creature — Human Warlock card from Strixhaven: School of Mages (STX), collector number 197. Current market price: $0.31 (foil $0.56), TCGplayer market prices via Scryfall.
Lifelink Menace (This creature can't be blocked except by two or more creatures.) Spells you cast that target a creature cost {2} less to cast.